72乘以35乘以125的简便方法?

如题所述

第1个回答  2022-04-28
72乘以35乘以125
=72x35x125
=8x9x35x125
=9x35x8x125
=(10-1)x35x8x125
=(350-35)x8x125
=315x(8x125)
=315x1000
=315000本回答被网友采纳
第2个回答  2022-04-28
72×35×125
=8×9×35×125
=(8×125)×(9×35)
=1000×315
=351000